To add to the cost comparison...

I worked at Circuit City about 8 years ago.

Monster Cables don't cost Circuit City but a pittance more than the cheap cables. Markup on those things are enormous.

You're paying for the name.
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"Nature has constituted utility to man the standard and test of virtue. Men living in different countries, under different circumstances, different habits and regimens, may have different utilities; the same act, therefore, may be useful and consequently virtuous in one country which is injurious and vicious in another differently circumstanced" - Thomas Jefferson, moral relativist